Lifting bow



FIG. 1 is a front perspective view of a lifting bow in accordance with the present invention showing my new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of environment in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a lifting bow, as shown and described. 